아직 결정 못 했어요.

The Korean phrase '아직 결정 못 했어요' (ajik gyeoljeong mot haesseoyo) literally translates to 'still decision not made.' Let's break down its components: * **아직 (ajik):** This is an adverb meaning 'still,' 'yet,' or 'not yet.' It indicates that an action or state is ongoing or has not occurred up to the present moment. Its origin can be traced to Old Korean, where similar adverbs conveyed the sense of continuation. * **결정 (gyeoljeong):** This is a Sino-Korean noun (결정; 決定) meaning 'decision,' 'determination,' or 'resolution.' It is composed of two Chinese characters: * 決 (gyeor): meaning 'to decide,' 'to determine,' 'to settle,' or 'to resolve.' This character often implies a definitive choice or cutting off other possibilities. * 定 (jeong): meaning 'to fix,' 'to settle,' 'to establish,' or 'to stabilize.' This character conveys the sense of making something firm or certain. The combination of these characters in Korean encapsulates the act of reaching a firm conclusion. * **못 (mot):** This is a short form of the negative adverbial particle '못하다' (mothada), which indicates an inability to do something or a failure to achieve something. It directly negates the following verb or action. It can be traced back to earlier forms of Korean where similar particles expressed lack of capability. * **했어요 (haesseoyo):** This is the polite past tense form of the verb '하다' (hada), meaning 'to do.' * **하 (ha-):** The verb stem for 'to do.' Its origin is deeply rooted in ancient Korean verbs signifying action. * **았/었 (-at/eot-):** The past tense infix. In this case, '았' is used because the preceding vowel 'ㅏ' (a) in '하' is a bright vowel. * **어요 (-eoyo):** A common polite informal ending in Korean, used for statements and questions. This ending has evolved from older honorific and politeness markers. Therefore, '아직 결정 못 했어요' syntactically and semantically means 'I still have not been able to make a decision' or 'A decision has not been made yet.' The '못' particle emphasizes the inability or failure to complete the decision-making process, rather than a simple negation like '안' (an), which would mean 'I didn't make a decision' without necessarily implying inability. The structure reflects a common way of expressing an unfinished or unresolved state in Korean, often used when someone is still deliberating or waiting for more information.